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Analysis of the pseudorandom signal capabilities in vibration seismic systems
1 Moscow Institute of Physics and Technology
2 Sсhmidt Institute of Physics of the Earth of the Russian Academy of Sciences
3 Siberian Federal University
Journal: Seismic instruments
Tome: 59
Number: 4
Year: 2023
Pages: 50-59
UDK: 550.371:534
DOI: 10.21455/si2023.4-4
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Alekseev
D.S D.A. Analysis of the pseudorandom signal capabilities in vibration seismic systems
// . 2023. Т. 59. № 4. С. 50-59. DOI: 10.21455/si2023.4-4
@article{Alekseev
D.SAnalysis2023,
author = "Alekseev
D.S, D. A.",
title = "Analysis of the pseudorandom signal capabilities in vibration seismic systems
",
journal = "Seismic instruments",
year = 2023,
volume = "59",
number = "4",
pages = "50-59",
doi = "10.21455/si2023.4-4",
language = "English"
}
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Keywords: vibroseis, seismic source signals, reflection coefficients, correlogram, impulse response, pseudorandom sequence, pseudonoise signals, deconvolution
Аnnotation: We carried out comparative analysis of the modelled vibroseis data, simulated using pseudorandom (pseudonoise) and linear frequency-modulated source sweeps in a 2D three-layer model. The main objective of the study is to demonstrate the advantages of pseudonoise signals over the conventional frequency-modulated sweeps. The modeling results are presented in the form of seismograms/correlograms, characterized by a significantly more clear image of the main hodographs in case of pseudonoise (PN) sweep as compared to the frequency-modulated (FM) sweep.
